Question

Observe os exemplos e resolva as equações(quero a conta)
a) x+9=18
b) x-1=-8
c)7x+5=68-2x
d)14-3x=2x+29
e)8x-9=2x+11​

Answer 1

Olá

A)

x+9=18

x=18-9

x= 9

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B)

x-1=-8

x= -8+1

x= -7

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C)

7x+5=68-2x

7x+2x=68-5

9x=63

x=7

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D)

14-3x=2x+29

3x-2x=29-14

x=15

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E)

8x-9=2x+11​

8x-2x=11+9

6x=20

x=3,333...